Styrene-butadiene-rubber (SBR) as compared to natural rubber has – McqOptions

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1.	Styrene-butadiene-rubber (SBR) as compared to natural rubber has
A.	Poorer tensile strength.
B.	poorer resistance to oxidation.
C.	greater amount of heat build-up under heavy loading.
D.	all (a), (b) and (c).
Answer» E.

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